- Putty & WinSCP
Use these for SSHing to your Virtual Machines - and also for copying files to and from ESX
- VMware's Workstation Disk Mount Utility
"With the VMware DiskMount utility, a VMware virtual disk file can be mounted as a Windows drive letter for read/write access to the files it contains."
- LC ISO Creator
My new favorite ISO creator
- ISO Recorder
This is for creating ISO files to use for your virtual machines
- Ultimate-P2V - A free P2V tool.
With this one, you can migrate your physical machine to your virtual infrastructure.
- VMware's Virtual Machine Importer
"This utility allows you to convert a Microsoft Virtual PC or Microsoft Virtual Server virtual machine, or Symantec LiveState Recovery image, into a VMware Workstation 4 or 5 virtual machine (the original Virtual PC virtual machine is left untouched)."
- VM Back's Virtual Floppy Drive
Lets you create, view and edit floppy drive images for use in your virtual infrastructure.